All four [Jacques Derrida, Theodor Nelson, Roland Barthes and Andries van Dam] like many others who write on hypertext and literary theory, argue that one must abandon conceptual systems founded upon ideas of center, margin, hierarchy, and linearity and replace them with ones of multi-linearity, nodes, links, and networks. Almost all parties to this paradigm shift, which marks a revolution in human thought, see electronic writing as a direct response to the strengths and weaknesses of the printed book. Landow 2